PRINCETON, NJ -- Despite the recent drop in the U.S. fertility rate, Americans' attitudes about having children have remained unchanged over the past 23 years. More than nine in 10 adults say they already have children, are planning to have children, or wish that they had had children.
Phylum. Starfish belong to the phylum Echinodermata, which is the largest phylum without any members that live on land or in fresh water. Echinoderms have five-point radial symmetry as adults, but are bilaterally symmetrical as larvae. They have an endoskeleton consisting of calcareous plates that often include spines.upiterimages/Photos.com/Getty Images. Although fish and starfish both belong to the kingdom Animalia -- which is the largest division of taxonomic classification -- starfish lack a spine, and therefore belong to a different phylum than true fish.
Not many sites offer these amazing starfish facts for kids including starfish habitat, diet, reproduction, and types. Through this article youâll be raising your understanding towards this beautiful marina animal. Starfish or sea stars are echinoderms that belong to the Asteriodae class. These fish are commonly referred to as starfish. There are around 1,800 starfish species worldwide, and most of them inhabits in Pacific, Atlantic, Southern, Arctic, and Indian Oceans.